The question from the 2012 Programme for International Student Assessment (PISA), a test conducted every three years across more than 80 countries in the Organisation for Economic Co-operation and ...

Back in 1948, the journal Physical Review published a paper entitled “Space-Time Approach to Quantum Electrodynamics” by a young physicist named R.P. Feynman at Cornell University. The paper described ...

Get NCERT Solutions for Class 7 Mathematics, Chapter 4 – Simple Equations. This chapter is one of the most important chapters of CBSE Class 7 Mathematics subject. Students of Class 7 are advised to ...

Indian sports car racer Karun Chandhok loves cycling. “Cycling is my key workout,” says the racing wizard when asked about his fitness routine. When not training, it is cycling that this Chennai-based ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Mr. Wilkinson is the author of “A Divine Language: Learning Algebra, Geometry, and Calculus at the Edge of Old Age.” I am surprised at this late stage, in my 70s, to be thinking about God. In my ...